/*
# Copyright (C) 2016 g10 Code GmbH
# Copyright (C) 2004,2008 Igor Belyi <belyi@users.sourceforge.net>
# Copyright (C) 2002 John Goerzen <jgoerzen@complete.org>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
%module gpgme
%include "cpointer.i"
%include "cstring.i"
/* Generate doc strings for all methods.
This will generate docstrings of the form
gpgme_op_encrypt(ctx, recp, flags, plain, cipher) -> gpgme_error_t
which we transform into
ctx.op_encrypt(recp, flags, plain, cipher) -> gpgme_error_t
for automagically wrapped functions. */
%feature("autodoc", "0");
/* Allow use of Unicode objects, bytes, and None for strings. */
%typemap(in) const char * {
if ($input == Py_None)
$1 = NULL;
else if (PyUnicode_Check($input))
$1 = PyUnicode_AsUTF8($input);
else if (PyBytes_Check($input))
$1 = PyBytes_AsString($input);
else {
PyErr_Format(PyExc_TypeError,
"arg %d: expected str, bytes, or None, got %s",
$argnum, $input->ob_type->tp_name);
return NULL;
}
}
%typemap(freearg) const char * "";
/* Likewise for a list of strings. */
%typemap(in) const char *[] (void *vector = NULL) {
/* Check if is a list */
if (PyList_Check($input)) {
size_t i, size = PyList_Size($input);
$1 = (char **) (vector = malloc((size+1) * sizeof(char *)));
for (i = 0; i < size; i++) {
PyObject *o = PyList_GetItem($input,i);
if (PyUnicode_Check(o))
$1[i] = PyUnicode_AsUTF8(o);
else if (PyString_Check(o))
$1[i] = PyString_AsString(o);
else {
PyErr_Format(PyExc_TypeError,
"arg %d: list must contain only str or bytes, got %s "
"at position %d",
$argnum, o->ob_type->tp_name, i);
free($1);
return NULL;
}
}
$1[i] = NULL;
} else {
PyErr_Format(PyExc_TypeError,
"arg %d: expected a list of str or bytes, got %s",
$argnum, $input->ob_type->tp_name);
return NULL;
}
}
%typemap(freearg) const char *[] {
free(vector$argnum);
}
// Release returned buffers as necessary.
%typemap(newfree) char * "free($1);";
%newobject gpgme_data_release_and_get_mem;
%typemap(arginit) gpgme_key_t [] {
$1 = NULL;
}
%typemap(in) gpgme_key_t [] {
int i, numb = 0;
if (!PySequence_Check($input)) {
PyErr_Format(PyExc_ValueError, "arg %d: Expected a list of gpgme_key_t",
$argnum);
return NULL;
}
if((numb = PySequence_Length($input)) != 0) {
$1 = (gpgme_key_t*)malloc((numb+1)*sizeof(gpgme_key_t));
for(i=0; i<numb; i++) {
PyObject *pypointer = PySequence_GetItem($input, i);
/* input = $input, 1 = $1, 1_descriptor = $1_descriptor */
/* &1_descriptor = $&1_descriptor *1_descriptor = $*1_descriptor */
// Following code is from swig's python.swg
if ((SWIG_ConvertPtr(pypointer,(void **) &$1[i], $*1_descriptor,SWIG_POINTER_EXCEPTION | $disown )) == -1) {
Py_DECREF(pypointer);
return NULL;
}
Py_DECREF(pypointer);
}
$1[numb] = NULL;
}
}
%typemap(freearg) gpgme_key_t [] {
if ($1) free($1);
}
// Special handling for references to our objects.
%typemap(in) gpgme_data_t DATAIN (gpgme_data_t wrapper = NULL,
PyObject *bytesio = NULL,
Py_buffer view, int have_view = 0) {
/* If we create a temporary wrapper object, we will store it in
wrapperN, where N is $argnum. Here in this fragment, SWIG will
automatically append $argnum. */
memset(&view, 0, sizeof view);
if ($input == Py_None)
$1 = NULL;
else {
PyObject *pypointer;
pypointer = _pyme_obj2gpgme_data_t($input, $argnum, &wrapper,
&bytesio, &view);
if (pypointer == NULL)
return NULL;
have_view = !! view.obj;
/* input = $input, 1 = $1, 1_descriptor = $1_descriptor */
// Following code is from swig's python.swg
if ((SWIG_ConvertPtr(pypointer,(void **) &$1, $1_descriptor,
SWIG_POINTER_EXCEPTION | $disown )) == -1) {
Py_DECREF(pypointer);
return NULL;
}
Py_DECREF(pypointer);
}
}
#if HAVE_DATA_H
/* If we are doing an in-tree build, we can use the internal
representation of struct gpgme_data for an very efficient check if
the buffer has been modified. */
%{
#include "src/data.h" /* For struct gpgme_data. */
%}
#endif
%typemap(freearg) gpgme_data_t DATAIN {
/* See whether we need to update the Python buffer. */
if (resultobj && wrapper$argnum && view$argnum.buf)
{
int dirty;
char *new_data = NULL;
size_t new_size;
#if HAVE_DATA_H
new_data = wrapper$argnum->data.mem.buffer;
new_size = wrapper$argnum->data.mem.length;
dirty = new_data != NULL;
#else
new_data = gpgme_data_release_and_get_mem (wrapper$argnum, &new_size);
wrapper$argnum = NULL;
dirty = new_size != view$argnum.len
|| memcmp (new_data, view$argnum.buf, view$argnum.len);
#endif
if (dirty)
{
/* The buffer is dirty. */
if (view$argnum.readonly)
{
Py_XDECREF(resultobj);
resultobj = NULL;
PyErr_SetString(PyExc_ValueError,
"cannot update read-only buffer");
}
/* See if we need to truncate the buffer. */
if (resultobj && view$argnum.len != new_size)
{
if (bytesio$argnum == NULL)
{
Py_XDECREF(resultobj);
resultobj = NULL;
PyErr_SetString(PyExc_ValueError, "cannot resize buffer");
}
else
{
PyObject *retval;
PyBuffer_Release(&view$argnum);
assert(view$argnum.obj == NULL);
retval = PyObject_CallMethod(bytesio$argnum, "truncate",
"l", (long) new_size);
if (retval == NULL)
{
Py_XDECREF(resultobj);
resultobj = NULL;
}
else
{
Py_DECREF(retval);
retval = PyObject_CallMethod(bytesio$argnum,
"getbuffer", NULL);
if (retval == NULL
|| PyObject_GetBuffer(retval, &view$argnum,
PyBUF_SIMPLE|PyBUF_WRITABLE) < 0)
{
Py_XDECREF(resultobj);
resultobj = NULL;
}
Py_XDECREF(retval);
if (resultobj && view$argnum.len
!= new_size)
{
Py_XDECREF(resultobj);
resultobj = NULL;
PyErr_Format(PyExc_ValueError,
"Expected buffer of length %zu, got %zi",
new_size,
view$argnum.len);
}
}
}
}
if (resultobj)
memcpy(view$argnum.buf, new_data, new_size);
}
#if ! HAVE_DATA_H
free (new_data);
#endif
}
/* Free the temporary wrapper, if any. */
if (wrapper$argnum)
gpgme_data_release(wrapper$argnum);
Py_XDECREF (bytesio$argnum);
if (have_view$argnum && view$argnum.buf)
PyBuffer_Release(&view$argnum);
}
%apply gpgme_data_t DATAIN {gpgme_data_t plain, gpgme_data_t cipher,
gpgme_data_t sig, gpgme_data_t signed_text,
gpgme_data_t plaintext, gpgme_data_t keydata,
gpgme_data_t pubkey, gpgme_data_t seckey,
gpgme_data_t out};
/* SWIG has problems interpreting ssize_t, off_t or gpgme_error_t in
gpgme.h. */
/* XXX: This is wrong at least for off_t if compiled with LFS. */
%typemap(out) ssize_t, off_t, gpgme_error_t, gpgme_err_code_t, gpgme_err_source_t, gpg_error_t {
$result = PyLong_FromLong($1);
}
/* XXX: This is wrong at least for off_t if compiled with LFS. */
%typemap(in) ssize_t, off_t, gpgme_error_t, gpgme_err_code_t, gpgme_err_source_t, gpg_error_t {
$1 = PyLong_AsLong($input);
}
// Those are for gpgme_data_read() and gpgme_strerror_r()
%typemap(in) (void *buffer, size_t size), (char *buf, size_t buflen) {
$2 = PyLong_AsLong($input);
if ($2 < 0) {
PyErr_SetString(PyExc_ValueError, "Positive integer expected");
return NULL;
}
$1 = ($1_ltype) malloc($2+1);
}
%typemap(argout) (void *buffer, size_t size), (char *buf, size_t buflen) {
Py_XDECREF($result); /* Blow away any previous result */
if (result < 0) { /* Check for I/O error */
free($1);
return PyErr_SetFromErrno(PyExc_RuntimeError);
}
$result = PyBytes_FromStringAndSize($1,result);
free($1);
}
/* For gpgme_data_write, but should be universal. */
%typemap(in) (const void *buffer, size_t size) {
Py_ssize_t ssize;
if ($input == Py_None)
$1 = NULL, $2 = 0;
else if (PyUnicode_Check($input))
$1 = PyUnicode_AsUTF8AndSize($input, &ssize);
else if (PyBytes_Check($input))
PyBytes_AsStringAndSize($input, (char **) &$1, &ssize);
else {
PyErr_Format(PyExc_TypeError,
"arg %d: expected str, bytes, or None, got %s",
$argnum, $input->ob_type->tp_name);
return NULL;
}
if (! $1)
$2 = 0;
else
{
assert (ssize >= 0);
$2 = (size_t) ssize;
}
}
%typemap(freearg) (const void *buffer, size_t size) "";
// Make types containing 'next' field to be lists
%ignore next;
%typemap(out) gpgme_sig_notation_t, gpgme_subkey_t,
gpgme_key_sig_t, gpgme_user_id_t, gpgme_invalid_key_t,
gpgme_recipient_t, gpgme_new_signature_t, gpgme_signature_t,
gpgme_import_status_t, gpgme_conf_arg_t, gpgme_conf_opt_t,
gpgme_conf_comp_t, gpgme_tofu_info_t {
int i;
int size = 0;
$1_ltype curr;
for (curr = $1; curr != NULL; curr = curr->next) {
size++;
}
$result = PyList_New(size);
for (i=0,curr=$1; i<size; i++,curr=curr->next) {
PyObject *o = SWIG_NewPointerObj(SWIG_as_voidptr(curr), $1_descriptor, %newpointer_flags);
PyList_SetItem($result, i, o);
}
}
/* Wrap the fragile result objects into robust Python ones. */
%typemap(out) gpgme_encrypt_result_t {
PyObject *fragile;
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
%newpointer_flags);
$result = _pyme_wrap_result(fragile, "EncryptResult");
Py_DECREF(fragile);
}
%typemap(out) gpgme_decrypt_result_t {
PyObject *fragile;
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
%newpointer_flags);
$result = _pyme_wrap_result(fragile, "DecryptResult");
Py_DECREF(fragile);
}
%typemap(out) gpgme_sign_result_t {
PyObject *fragile;
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
%newpointer_flags);
$result = _pyme_wrap_result(fragile, "SignResult");
Py_DECREF(fragile);
}
%typemap(out) gpgme_verify_result_t {
PyObject *fragile;
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
%newpointer_flags);
$result = _pyme_wrap_result(fragile, "VerifyResult");
Py_DECREF(fragile);
}
%typemap(out) gpgme_import_result_t {
PyObject *fragile;
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
%newpointer_flags);
$result = _pyme_wrap_result(fragile, "ImportResult");
Py_DECREF(fragile);
}
%typemap(out) gpgme_genkey_result_t {
PyObject *fragile;
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
%newpointer_flags);
$result = _pyme_wrap_result(fragile, "GenkeyResult");
Py_DECREF(fragile);
}
%typemap(out) gpgme_keylist_result_t {
PyObject *fragile;
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
%newpointer_flags);
$result = _pyme_wrap_result(fragile, "KeylistResult");
Py_DECREF(fragile);
}
%typemap(out) gpgme_vfs_mount_result_t {
PyObject *fragile;
fragile = SWIG_NewPointerObj(SWIG_as_voidptr($1), $1_descriptor,
%newpointer_flags);
$result = _pyme_wrap_result(fragile, "VFSMountResult");
Py_DECREF(fragile);
}
%typemap(out) gpgme_engine_info_t {
int i;
int size = 0;
$1_ltype curr;
for (curr = $1; curr != NULL; curr = curr->next) {
size++;
}
$result = PyList_New(size);
for (i=0,curr=$1; i<size; i++,curr=curr->next) {
PyObject *fragile, *o;
fragile = SWIG_NewPointerObj(SWIG_as_voidptr(curr), $1_descriptor,
%newpointer_flags);
o = _pyme_wrap_result(fragile, "EngineInfo");
if (o == NULL)
return NULL; /* raise */
Py_DECREF(fragile);
PyList_SetItem($result, i, o);
}
}
// Include mapper for edit callbacks
%typemap(in) (gpgme_edit_cb_t fnc, void *fnc_value) {
if (! PyTuple_Check($input))
return PyErr_Format(PyExc_TypeError, "edit callback must be a tuple");
if (PyTuple_Size($input) != 2 && PyTuple_Size($input) != 3)
return PyErr_Format(PyExc_TypeError,
"edit callback must be a tuple of size 2 or 3");
$1 = (gpgme_edit_cb_t) _pyme_edit_cb;
$2 = $input;
}
/* The assuan protocol callbacks. */
%typemap(in) (gpgme_assuan_data_cb_t data_cb, void *data_cb_value) {
if ($input == Py_None)
$1 = $2 = NULL;
else
{
if (! PyTuple_Check($input))
return PyErr_Format(PyExc_TypeError, "callback must be a tuple");
if (PyTuple_Size($input) != 2)
return PyErr_Format(PyExc_TypeError,
"callback must be a tuple of size 2");
if (! PyCallable_Check(PyTuple_GetItem($input, 1)))
return PyErr_Format(PyExc_TypeError, "second item must be callable");
$1 = _pyme_assuan_data_cb;
$2 = $input;
}
}
%typemap(in) (gpgme_assuan_inquire_cb_t inq_cb, void *inq_cb_value) {
if ($input == Py_None)
$1 = $2 = NULL;
else
{
if (! PyTuple_Check($input))
return PyErr_Format(PyExc_TypeError, "callback must be a tuple");
if (PyTuple_Size($input) != 2)
return PyErr_Format(PyExc_TypeError,
"callback must be a tuple of size 2");
if (! PyCallable_Check(PyTuple_GetItem($input, 1)))
return PyErr_Format(PyExc_TypeError, "second item must be callable");
$1 = _pyme_assuan_inquire_cb;
$2 = $input;
}
}
%typemap(in) (gpgme_assuan_status_cb_t stat_cb, void *stat_cb_value) {
if ($input == Py_None)
$1 = $2 = NULL;
else
{
if (! PyTuple_Check($input))
return PyErr_Format(PyExc_TypeError, "callback must be a tuple");
if (PyTuple_Size($input) != 2)
return PyErr_Format(PyExc_TypeError,
"callback must be a tuple of size 2");
if (! PyCallable_Check(PyTuple_GetItem($input, 1)))
return PyErr_Format(PyExc_TypeError, "second item must be callable");
$1 = _pyme_assuan_status_cb;
$2 = $input;
}
}
/* Include the unmodified <gpgme.h> for cc, and the cleaned-up local
version for SWIG. We do, however, want to hide certain fields on
some structs, which we provide prior to including the version for
SWIG. */
%{
#include <gpgme.h>
%}
/* This is for notations, where we want to hide the length fields, and
the unused bit field block. */
struct _gpgme_sig_notation
{
struct _gpgme_sig_notation *next;
/* If NAME is a null pointer, then VALUE contains a policy URL
rather than a notation. */
char *name;
/* The value of the notation data. */
char *value;
/* The accumulated flags. */
gpgme_sig_notation_flags_t flags;
/* Notation data is human-readable. */
unsigned int human_readable : 1;
/* Notation data is critical. */
unsigned int critical : 1;
};
/* Now include our local modified version. Any structs defined above
are ignored. */
%include "gpgme.h"
%include "errors.i"
// Generating and handling pointers-to-pointers.
%pointer_functions(gpgme_ctx_t, gpgme_ctx_t_p);
%pointer_functions(gpgme_data_t, gpgme_data_t_p);
%pointer_functions(gpgme_key_t, gpgme_key_t_p);
%pointer_functions(gpgme_error_t, gpgme_error_t_p);
%pointer_functions(gpgme_trust_item_t, gpgme_trust_item_t_p);
%pointer_functions(gpgme_engine_info_t, gpgme_engine_info_t_p);
// Helper functions.
%{
#include <stdio.h>
%}
FILE *fdopen(int fildes, const char *mode);
/* We include both headers in the generated c code... */
%{
#include "helpers.h"
#include "private.h"
/* SWIG runtime support for helpers.c */
PyObject *
_pyme_wrap_gpgme_data_t(gpgme_data_t data)
{
return SWIG_Python_NewPointerObj(NULL, data, SWIGTYPE_p_gpgme_data, 0);
}
gpgme_ctx_t
_pyme_unwrap_gpgme_ctx_t(PyObject *wrapped)
{
gpgme_ctx_t result;
if (SWIG_ConvertPtr(wrapped,
(void **) &result,
SWIGTYPE_p_gpgme_context,
SWIG_POINTER_EXCEPTION) == -1)
return NULL;
return result;
}
%}
/* ... but only the public definitions here. They will be exposed to
the Python world, so let's be careful. */
%include "helpers.h"